Move synthetic gesture input to be aligned with BeginFrame.

content/browser/renderer_host/render_widget_host_view_mac.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <IOSurface/IOSurface.h>
 #include <stddef.h>
@@ skipping 302 matching lines @@
   gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds) override;
   gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() override;
 
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
   gfx::Rect GetBoundsInRootWindow() override;
   void LockCompositingSurface() override;
   void UnlockCompositingSurface() override;
 
   bool LockMouse() override;
   void UnlockMouse() override;
+  void OnSetNeedsFlushInput() override;
   void GestureEventAck(const blink::WebGestureEvent& event,
                        InputEventAckState ack_result) override;
 
   std::unique_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget()
       override;
 
   uint32_t GetSurfaceClientId() override;
   uint32_t SurfaceClientIdAtPoint(cc::SurfaceHittestDelegate* delegate,
                                   const gfx::Point& point,
                                   gfx::Point* transformed_point) override;
@@ skipping 160 matching lines @@
 
   // Send updated vsync parameters to the top level display.
   void UpdateDisplayVSyncParameters();
 
   // Dispatches a TTS session.
   void SpeakText(const std::string& text);
 
   // Get the focused view that should be used for retrieving the text selection.
   RenderWidgetHostViewBase* GetFocusedViewForTextSelection();
 
+  // Adds/Removes frame observer based on state.
+  void UpdateNeedsBeginFramesInternal();
+
   // The associated view. This is weak and is inserted into the view hierarchy
   // to own this RenderWidgetHostViewMac object. Set to nil at the start of the
   // destructor.
   RenderWidgetHostViewCocoa* cocoa_view_;
 
   // Indicates if the page is loading.
   bool is_loading_;
 
   // Whether it's allowed to pause waiting for a new frame.
   bool allow_pause_for_resize_or_repaint_;
@@ skipping 25 matching lines @@
 
   // The current VSync timebase and interval. This is zero until the first call
   // to SendVSyncParametersToRenderer(), and refreshed regularly thereafter.
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   // The current composition character range and its bounds.
   gfx::Range composition_range_;
   std::vector<gfx::Rect> composition_bounds_;
 
+  // Whether a request for begin frames has been issued.
+  bool needs_begin_frames_;
+
+  // Whether a request to flush input has been issued.
+  bool needs_flush_input_;
+
   // Factory used to safely scope delayed calls to ShutdownHost().
   base::WeakPtrFactory<RenderWidgetHostViewMac> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_